1045438208 has 36 divisors (see below), whose sum is σ = 2089846920. Its totient is φ = 521954304.

The previous prime is 1045438201. The next prime is 1045438211. The reversal of 1045438208 is 8028345401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045438201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198878 + ... + 204066.

Almost surely, 2^1045438208 is an apocalyptic number.

It is an amenable number.

1045438208 is a deficient number, since it is larger than the sum of its proper divisors (1044408712).

1045438208 is an frugal number, since it uses more digits than its factorization.

1045438208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5992 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1045438208 is about 32333.2368933270. The cubic root of 1045438208 is about 1014.9222870767.

The spelling of 1045438208 in words is "one billion, forty-five million, four hundred thirty-eight thousand, two hundred eight".